ASTM A709 HPS50W is American standard specification for for structural steel in bridge with hot rolled processing. Therefore, it is widely used in bridge constructions to atmospheric corrosion resistance.

BBN Steel stocks A709 Grade 36, A709 Grade 50 and A709 Grade 50W. These grades are often specified with Charpy tests referencing the specific zone or lowest anticipated service temperature. The Charpy tests are specified as non-fracture critical, which is a per-heat test (frequency "H"), or fracture critical, which is a per-plate test ...

BBN Steel stocks A709 Grade 36, A709 Grade 50 and A709 Grade 50W. These grades are often specified with Charpy tests referencing the specific zone or lowest anticipated service temperature. The Charpy tests are specified as non-fracture critical, which is a per-heat test (frequency "H"), or fracture critical, which is a per-plate test ...

ASTM A709 Gr 100W mild steel. We are mainly engaged in R&D and production of steel product and steel machining,the ASTM A709 Gr 100W mild steel and services have covered in more than 100 countries around the world,provide the steel procurement One-Stop solutions for customers.With decades' development,During the past 18 years since 2000, BBN not only shared 2000000 tons steel …

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